relay-ctrl-udp − Receive relay-ctrl notifications via UDP
relay-ctrl-udp
relay-ctrl-udp receives notifications of IPs that should be allowed to relay via UDP on port $RELAY_CTRL_PORT (defaults to 811), and records them in the directory specified by either $RELAY_CTRL_DIR_FD or $RELAY_CTRL_DIR. The sender address of all invalid IPs strings are logged to standard error.
relay-ctrl-send(8), relay-ctrl-check(8)
This program does no source address verification. Use a firewall to filter unwanted transmissions.